References
- GRAUPE , D. , SWANICK , B. H. , and CASSIR , G. , 1968 , I.E.E.E. Trans, aulom. Control , 13 , 564 .
- SWANICK , B. H. , and GRAUPE , D. , 1968 , J. Br. Nucl. Energy Soc , 7 , 100 .
- SANDOZ , D. , and SWANICK , B. H. , 1970 , Proc. Instn elect. Engrs , 117 , 2165 ; 1971, J. Contr. & Instr. Feb., p. 25 .
- SWANICK , B. H. , and SANDOZ , D. , 1970 , Int. J. Control ,, 12 , 839 .
- †Communicated by the Author.